Abstract:
A nonminimally coupled quintessence model is investigated and the conditions for a stationary solution to the coincidence problem are obtained. For a conformally coupled scalar field and dissipative matter, a general solution possessing late acceleration is found. It fits rather well the high redshift supernovae data and gives a good prediction of the age of the Universe. Likewise, the cold dark matter component dominates the cosmological perturbations at late times albeit they decrease with expansion. © 2004 The American Physical Society.
Registro:
Documento: |
Artículo
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Título: | Exact model of conformal quintessence |
Autor: | Chimento, L.P.; Jakubi, A.S.; Pavón, D. |
Filiación: | Departamento de Física, Universidad de Buenos Aires, Buenos Aires, 1428, Argentina Departamento de Física, Facultad de Ciencias, Universidad Autónoma de Barcelona, 08193, Spain
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Año: | 2004
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Volumen: | 69
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Número: | 8
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Página de inicio: | 7
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DOI: |
http://dx.doi.org/10.1103/PhysRevD.69.083511 |
Título revista: | Physical Review D - Particles, Fields, Gravitation and Cosmology
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Título revista abreviado: | Phys Rev D Part Fields Gravit Cosmol
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ISSN: | 15507998
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Registro: | https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_15507998_v69_n8_p7_Chimento |
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Citas:
---------- APA ----------
Chimento, L.P., Jakubi, A.S. & Pavón, D.
(2004)
. Exact model of conformal quintessence. Physical Review D - Particles, Fields, Gravitation and Cosmology, 69(8), 7.
http://dx.doi.org/10.1103/PhysRevD.69.083511---------- CHICAGO ----------
Chimento, L.P., Jakubi, A.S., Pavón, D.
"Exact model of conformal quintessence"
. Physical Review D - Particles, Fields, Gravitation and Cosmology 69, no. 8
(2004) : 7.
http://dx.doi.org/10.1103/PhysRevD.69.083511---------- MLA ----------
Chimento, L.P., Jakubi, A.S., Pavón, D.
"Exact model of conformal quintessence"
. Physical Review D - Particles, Fields, Gravitation and Cosmology, vol. 69, no. 8, 2004, pp. 7.
http://dx.doi.org/10.1103/PhysRevD.69.083511---------- VANCOUVER ----------
Chimento, L.P., Jakubi, A.S., Pavón, D. Exact model of conformal quintessence. Phys Rev D Part Fields Gravit Cosmol. 2004;69(8):7.
http://dx.doi.org/10.1103/PhysRevD.69.083511